Fiber Directory

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Icebreaker✕

Merino outdoor and base-layer clothing; some fabrics blend merino with nylon, lyocell or elastane.

ALUMO✕

Swiss shirting-fabric maker using extra-long-staple Supima and Sea Island cotton, plus cashmere and linen blends, woven at partner mills.

Duckworth✕

Montana brand making US-made merino wool shirts, base layers, sweatshirts, jackets and socks from wool grown on the Helle family ranch and Rocky Mountain growers.

Aclima✕

Norwegian wool brand making merino wool base layers, thermal underwear, fleece-wool layers and beanies, using New Zealand merino knitted in its own Estonian facility.

TypeBrandMillBrandBrand
LocationAuckland, NZHerisau, CHUnited StatesDrammen, NO
FibersMerinoCotton · Organic cotton · Linen · CashmereMerinoMerino · Wool
MakesBase layers, Tops & tees, Underwear, Socks, OuterwearFabric & yarnTops & tees, Shirts, Pants & skirts, Base layers, Outerwear, Socks, AccessoriesBase layers, Underwear, Tops & tees, Accessories, Baby & kids
Services—Weaving——
Entry price$$ · Base layer top $89.45—$$$ · Base layer top $125$$$ · Base layer top $104
Min. orderNot statedNot statedNot statedNot stated
CertifiedZQ MerinoGOTSNone listedNone listed
NaturalNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blendsNot 100%. Some blends
Founded—1918—1939